package com.wty.example.automic;

import com.wty.annotations.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;

/**
 * @Author wangtengyu
 * @Create 2018-05-16-8:45
 */
@Slf4j
@ThreadSafe
public class AtomicExample5 {
    private static AtomicIntegerFieldUpdater<AtomicExample5> updater = AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class, "count");
    @Getter
    private volatile int count=100;

    public static void main(String[] args) {
        AtomicExample5 atomicExample5=new AtomicExample5();
        if(updater.compareAndSet(atomicExample5,100,200)){
            log.info("success");
            System.out.println(atomicExample5.getCount());
        }
        if(updater.compareAndSet(atomicExample5,100,200)){
            log.info("success2");
            System.out.println(atomicExample5.getCount());
        }else{
            log.info("error");
            System.out.println(atomicExample5.getCount());
        }

    }

}
